nixpkgs/helpers/make-iso9660-image.sh
Eelco Dolstra 6c529fac77 * Very naughty of me not to use -boot-info-table. Now I know better.
svn path=/nixos/trunk/; revision=7875
2007-02-07 15:23:19 +00:00

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source $stdenv/setup
sources_=($sources)
targets_=($targets)
objects=($objects)
symlinks=($symlinks)
if test -n "$bootable"; then
# The -boot-info-table option modifies the $bootImage file, so
# find it in `contents' and make a copy of it (since the original
# is read-only in the Nix store...).
for ((i = 0; i < ${#targets_[@]}; i++)); do
if test "${targets_[$i]}" = "$bootImage"; then
echo "copying the boot image ${sources_[$i]}"
cp "${sources_[$i]}" boot.img
chmod u+w boot.img
sources_[$i]=boot.img
fi
done
bootFlags="-b $bootImage -c boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table"
fi
# Add the individual files.
graftList=
for ((i = 0; i < ${#targets_[@]}; i++)); do
graftList="$graftList ${targets_[$i]}=$(readlink -f ${sources_[$i]})"
done
# Add the closures of the top-level store objects.
storePaths=$(perl $pathsFromGraph closure-*)
for i in $storePaths; do
graftList="$graftList ${i:1}=$i"
done
# Also put a nix-pull manifest of the closures on the CD.
printManifest=1 perl $pathsFromGraph closure-* > MANIFEST
graftList="$graftList MANIFEST=MANIFEST"
# Add symlinks to the top-level store objects.
for ((n = 0; n < ${#objects[*]}; n++)); do
object=${objects[$n]}
symlink=${symlinks[$n]}
if test "$symlink" != "none"; then
mkdir -p $(dirname ./$symlink)
ln -s $object ./$symlink
graftList="$graftList $symlink=./$symlink"
fi
done
# !!! -f is a quick hack.
ensureDir $out/iso
mkisofs -r -J -o $out/iso/$isoName $bootFlags \
-graft-points $graftList
ensureDir $out/nix-support
echo $system > $out/nix-support/system